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Food Science and Human Wellness 2024年第3期13卷 1292-1302页

作者： Li Kong Xinyu Gao Lijuan Zhu Xing Lin You Huang Chunlin Huang wenjiang yang Yazhi Chen Haoqiang Zhao Jing Wu Zhihang Yuan Jin’e Yi Hunan Engineering Research Center of Livestock and Poultry Health Care College of Veterinary MedicineHunan Agricultural UniversityChangsha 410128China

F-2 toxin is an estrogenic mycotoxin that causes reproductive disorders in *** acid(BA)is a natural pentacyclic lupane-structure triterpenoid that has diverse pharmacological *** this study,the antioxidative and anti-inflammatory effects of BA and its underlying mechanism are explored in F-2 toxin-triggered mouse ovarian *** found that BA alleviated the F-2 toxin-induced ovarian impairment by stimulating follicle growth,reducing inflammatory cell infiltration,repairing damaged mitochondria and endoplasmic ***,BA not only reversed F-2 toxin-induced reduction of follicle stimulating hormone(FSH)and luteinizing hormone(LH)levels in the serum,but also restrained the protein expression of the estrogen receptors a(ERa)and ERβ.Moreover,BA restored the balance of F-2 toxin-induced ovarian redox system ***,we found that 0.25 mg/kg BA played an anti-inflammatory role in the F-2 toxin-induced ovarian impairment by decreasing interleukin-1β(IL-1β).IL-6,and tumor necrosis factor-α(TNF-α)mRNA expression,as well as inhibiting p38 protein *** data demonstrated that BA exerts its protective effect on F-2 toxin-induced ovarian oxidative impairment and inflammation by inhibiting p38 expression,which implies a natural product-based medicine to ameliorate F-2 toxin-caused female reproductive toxicity and provides a detoxifying method for food contaminated by mycotoxin.

关键词： Betulinic acid F-2 toxin Ovarian damage p38 MAPK signaling pathway

中枢多巴胺系统正电子发射计算机断层扫描显像剂的研究进展

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无机化学学报 2024年第1期40卷 54-70页

作者：张格杨文江刘宇中国科学院高能物理研究所北京市射线成像技术与装备工程技术研究中心北京100049 中国科学院大学北京100049 济南中科核技术研究院济南250131

中枢多巴胺系统与多种神经行为障碍的病理生理学有关。一直以来,多巴胺系统正电子发射计算机断层扫描(PET)成像在研究活体大脑中多巴胺生物化学过程上有着重要价值。PET成像的基础是^(11)C、^(18)F等发射正电子的放射性核素标记的显像剂... 详细信息

中枢多巴胺系统与多种神经行为障碍的病理生理学有关。一直以来,多巴胺系统正电子发射计算机断层扫描(PET)成像在研究活体大脑中多巴胺生物化学过程上有着重要价值。PET成像的基础是^(11)C、^(18)F等发射正电子的放射性核素标记的显像剂,这些显像剂通过与多巴胺神经系统不同的靶点特异性结合从而反映多巴胺合成、囊泡储存、突触释放和受体结合以及再摄取过程,推动神经病学、精神病学、药物滥用和成瘾以及药物开发的研究进展。本文综述了以氨基酸脱羧酶、多巴胺转运体、多巴胺受体以及囊泡单胺转运体为靶点的^(11)C、^(18)F标记的PET显像剂的研究进展。

关键词：正电子发射计算机断层扫描放射性显像剂多巴胺系统多巴胺受体转运体

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日语的词汇层及相关术语的汉译问题

日语学习与研究 2024年第3期 24-34页

作者：杨文江澳门大学人文学院中国澳门

传统语言学把日语词汇层分为固有词、汉源词、外来词和混合词,分类的着眼点是词一级的单位,分类的依据是词的来源。近年来一些学者支持词汇层的新分类,即包括固有词、汉源词、外来词和拟声拟态词,分类的着眼点是语素一级的单位,分类的... 详细信息

传统语言学把日语词汇层分为固有词、汉源词、外来词和混合词,分类的着眼点是词一级的单位,分类的依据是词的来源。近年来一些学者支持词汇层的新分类,即包括固有词、汉源词、外来词和拟声拟态词,分类的着眼点是语素一级的单位,分类的依据是语素的形态音系特征。本文认为两种分类各有分工,传统分类适用于词汇变迁的历时研究,新分类适用于音系和构词的共时研究。日语词汇层相关术语的汉语译词使用比较混乱,本文通过借鉴其他语种研究文献相关术语的使用情况分析了「漢語」「外来語」和「和語」等术语的汉译情况,提出了推荐的译词,并在此基础上讨论了日语语言学术语的汉译策略。

关键词：日语词汇层传统分类新分类语言学术语汉译

单宁酸对玉米赤霉烯酮致小鼠肝脏和肾脏氧化损伤的修复作用

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黑龙江畜牧兽医 2024年第11期 1-7页

作者：杨文江黄优黄春霖何家宇杨茗淇易金娥孔丽湖南农业大学动物医学院畜禽保健湖南省工程研究中心长沙410128

为了探究单宁酸(TA)对玉米赤霉烯酮(ZEA)中毒小鼠肝脏和肾脏损伤的修复作用,试验将75只健康雌性昆明小鼠随机分为5组,即对照组、ZEA(10 mg/kg)组和TA低、中、高剂量(50,100,200 mg/kg)组,每组15只。对照组灌服10%乙醇溶液,其余组均灌服Z... 详细信息

为了探究单宁酸(TA)对玉米赤霉烯酮(ZEA)中毒小鼠肝脏和肾脏损伤的修复作用,试验将75只健康雌性昆明小鼠随机分为5组,即对照组、ZEA(10 mg/kg)组和TA低、中、高剂量(50,100,200 mg/kg)组,每组15只。对照组灌服10%乙醇溶液,其余组均灌服ZEA(溶于10%乙醇),每天1次,连续7 d;之后除对照组和ZEA组灌服双蒸水外,TA组分别灌服不同剂量的TA,连续7 d。采集肝脏和肾脏,计算脏器指数,经苏木精-伊红染色后观察肝脏和肾脏的病理变化,检测肝脏和肾脏组织中活性氧(ROS)、丙二醛(MDA)、还原型谷胱甘肽(GSH)含量及超氧化物歧化酶(SOD)、过氧化氢酶(CAT)和谷胱甘肽过氧化物酶(GSH-Px)活性。结果表明:与对照组相比,ZEA组肝脏和肾脏指数无显著变化(P>0.05);肝细胞脂肪变性,伴有炎症细胞浸润,且部分肝细胞出现核固缩,同时中央静脉内红细胞和血浆沉积;肾脏皮质和髓质出现大量红细胞,肾小球和肾小管上皮细胞出现肿胀;肝脏中ROS和GSH含量显著或极显著增加(P<0.05或P<0.01),SOD活性极显著升高(P<0.01)。与ZEA组相比,TA各剂量组肝脏和肾脏形态结构损伤减轻。在肝脏,TA各剂量组ROS含量显著或极显著降低(P<0.01或P<0.05),TA低剂量组SOD和GSH-Px活性显著或极显著升高(P<0.05或P<0.01),TA各剂量量组GSH含量显著或极显著增加(P<0.05或P<0.01);在肾脏,TA低剂量组GSH含量显著增加(P<0.05),TA中、高剂量GSH-Px活性极显著降低(P<0.01)。说明TA通过恢复肝脏和肾脏形态结构维持氧化还原系统平衡,缓解ZEA造成的肝脏和肾脏氧化损伤,从而发挥保护作用。

关键词：单宁酸玉米赤霉烯酮氧化损伤肝脏肾脏

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Synthesis of several MPP derivatives for ^(99m)Tc-labelling and evaluated as potential 5-HT_(1A) receptor imaging agents

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Science China Chemistry 2011年第7期54卷 1148-1154页

作者： yang wenjiang LIN Yan ZHANG XianZhong ZHANG JunBo WANG XueBin Key Laboratory of Radiopharmaceuticals(Beijing Normal University) Ministry of EducationCollege of ChemistryBeijing Normal UniversityBeijing 100875China

The(2-methoxyphenyl) piperazine(MPP) was selected as the functional group and conjugated to dithiocarbamate through different spacers.A series of new MPP derivatives(MPPnDTC,n = 2-6) were synthesized and radiolabelled with 99mTc-nitrido core or 99mTc-tricarboxyl core as potential 5-HT1A receptor imaging *** the six 99mTc-labelled complexes were lipophilic and *** results showed that those radiotracers had moderate initial brain and hippocampus *** have no significant relation was observed between the biological properties of these tracers with the length of its carbon *** radioactivity concentrations of hippocampus of 99mTcN-MPP2DTC,99mTcN-MPP3DTC,99mTcN-MPP4DTC,99mTcN-MPP5DTC,99mTcN-MPP6DTC and 99mTc(CO)3-MPP3DTC at 2 min post-injection time(p.i.) were 0.43,1.15,0.99,1.04,1.13 and 0.83 %ID/g,respectively.

关键词：放射性标记 MPP 显像剂合成受体衍生物二硫代氨基甲酸评估

Remote sensing of quality traits in cereal and arable production systems:A review

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The Crop Journal 2024年第1期12卷 45-57页

作者： Zhenhai Li Chengzhi Fan Yu Zhao Xiuliang Jin Raffaele Casa wenjiang Huang Xiaoyu Song Gerald Blasch Guijun yang James Taylor Zhenhong Li College of Geodesy and Geomatics Shandong University of Science and TechnologyQingdao 266590ShandongChina Key Laboratory of Quantitative Remote Sensing in Ministry of Agriculture and Rural Affairs Information Technology Research CenterBeijing Academy of Agriculture and Forestry SciencesBeijing 100097China Institute of Crop Sciences Chinese Academy of Agricultural Sciences/Key Laboratory of Crop Physiology and EcologyMinistry of Agriculture and Rural AffairsBeijing 100081China DAFNE Universitàdella TusciaVia San Camillo de Lellis01100 ViterboItaly Key Laboratory of Digital Earth Science Aerospace Information Research InstituteChinese Academy of SciencesBeijing 100094China International Maize and Wheat Improvement Center(CIMMYT) PO Box 5689Addis AbabaEthiopia ITAP Univ.MontpellierINRAEInstitut AgroMontpellier 34000France College of Geological Engineering and Geomatics Chang’an UniversityXi’an 710054ShaanxiChina

Cereal is an essential source of calories and protein for the global *** predicting cereal quality before harvest is highly desirable in order to optimise management for farmers,grading harvest and categorised storage for enterprises,future trading prices,and policy *** use of remote sensing data with extensive spatial coverage demonstrates some potential in predicting crop quality *** studies have also proposed models and methods for predicting such traits based on multiplatform remote sensing *** this paper,the key quality traits that are of interest to producers and consumers are *** literature related to grain quality prediction was analyzed in detail,and a review was conducted on remote sensing platforms,commonly used methods,potential gaps,and future trends in crop quality *** review recommends new research directions that go beyond the traditional methods and discusses grain quality retrieval and the associated challenges from the perspective of remote sensing data.

关键词： Remote sensing Quality traits Grain protein Cereal

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日语示证标记「ミタイ」的诞生与发展

高等日语教育 2023年第1期 90-102,173页

作者：杨文江澳门大学中国

日语示证标记「ミタイ」源于近世后期产生的「ヲミタヨウ」结构,后者经过宾格标记脱落和语音消蚀,1880年前后出现「ミタイ」形式。之后,两者并用几十年,直到20世纪40年代「ミタイ」完全取代「ヲミタヨウ」。20世纪30年代「ミタイ」由〈... 详细信息

日语示证标记「ミタイ」源于近世后期产生的「ヲミタヨウ」结构,后者经过宾格标记脱落和语音消蚀,1880年前后出现「ミタイ」形式。之后,两者并用几十年,直到20世纪40年代「ミタイ」完全取代「ヲミタヨウ」。20世纪30年代「ミタイ」由〈比喻〉发展出以〈推知〉为主的示证功能以及〈委婉〉功能。「ミタイ」示证功能的获得过程在形式方面违背语法化单向性假说,在功能方面则符合主观化的特征。「ミタイ」在20世纪后期又衍生出表示〈附和〉的独立用法并表现出体现韵律独立的音高重音变化倾向。

关键词：ミタイ示证主观化比喻推知

Coaxial Wet Spinning of Boron Nitride Nanosheet‑Based Composite Fibers with Enhanced Thermal Conductivity and Mechanical Strength

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Nano-Micro Letters 2024年第2期16卷 126-138页

作者： wenjiang Lu Qixuan Deng Minsu Liu Baofu Ding Zhiyuan Xiong Ling Qiu Tsinghua Shenzhen International Graduate School(TSIGS) Tsinghua UniversityShenzhen 518055People’s Republic of China Monash Suzhou Research Institute(MSRI) Monash UniversitySuzhou 215000People’s Republic of China Faculty of Materials Science and Engineering/Institute of Technology for Carbon Neutrality Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055People’s Republic of China Shenzhen Key Laboratory of Energy Materials for Carbon Neutrality Shenzhen 518055People’s Republic of China School of Light Industry and Engineering South China University of TechnologyGuangzhou 510614People’s Republic of China

Hexagonal boron nitride nanosheets(BNNSs)exhibit remarkable thermal and dielectric ***,their self-assembly and alignment in macroscopic forms remain challenging due to the chemical inertness of boron nitride,thereby limiting their performance in applications such as thermal *** this study,we present a coaxial wet spinning approach for the fabrication of BNNSs/polymer composite fibers with high nanosheet *** composite fibers were prepared using a superacid-based solvent system and showed a layered structure comprising an aramid core and an aramid/BNNSs ***,the coaxial fibers exhibited significantly higher BNNSs alignment compared to uniaxial aramid/BNNSs fibers,primarily due to the additional compressive forces exerted at the core-sheath interface during the hot drawing *** a BNNSs loading of 60 wt%,the resulting coaxial fibers showed exceptional properties,including an ultrahigh Herman orientation parameter of 0.81,thermal conductivity of 17.2 W m^(-1)K^(-1),and tensile strength of 192.5 *** results surpassed those of uniaxial fibers and previously reported BNNSs composite fibers,making them highly suitable for applications such as wearable thermal management *** findings present a promising strategy for fabricating high-performance composite fibers based on BNNSs.

关键词： Boron nitride nanosheets Coaxial fiber Interfacial compression Nanosheet aligning Wearable thermal management

Boosting Hydrogen Storage Performance of MgH_(2) by Oxygen Vacancy-Rich H-V_(2)O_(5) Nanosheet as an Excited H-Pump

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Nano-Micro Letters 2024年第8期16卷 398-416页

作者： Li Ren Yinghui Li Zi Li Xi Lin Chong Lu wenjiang Ding Jianxin Zou National Engineering Research Center of Light Alloys Net Forming&State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong UniversityShanghai 200240People’s Republic of China Shanghai Engineering Research Center of Mg Materials and Applications&School of Materials Science and Engineering Shanghai Jiao Tong UniversityShanghai 200240People’s Republic of China Center of Hydrogen Science Shanghai Jiao Tong UniversityShanghai 200240People’s Republic of China Instrumental Analysis Center of SJTU Shanghai Jiao Tong UniversityShanghai 200240People’s Republic of China

MgH_(2) is a promising high-capacity solid-state hydrogen storage material,while its application is greatly hindered by the high desorption temperature and sluggish ***,intertwined 2D oxygen vacancy-rich V_(2)O_(5) nanosheets(H-V_(2)O_(5))are specifically designed and used as catalysts to improve the hydrogen storage properties of MgH_(2).The as-prepared MgH_(2)-H-V_(2)O_(5) composites exhibit low desorption temperatures(Tonset=185℃)with a hydrogen capacity of 6.54 wt%,fast kinetics(Ea=84.55±1.37 kJ mol^(-1) H_(2) for desorption),and long cycling ***,hydrogen absorption can be achieved at a temperature as low as 30℃ with a capacity of 2.38 wt%within 60 ***,the composites maintain a capacity retention rate of~99%after 100 cycles at 275℃.Experimental studies and theoretical calculations demonstrate that the in-situ formed VH_(2)/V catalysts,unique 2D structure of H-V_(2)O_(5) nanosheets,and abundant oxygen vacancies positively contribute to the improved hydrogen sorption ***,the existence of oxygen vacancies plays a double role,which could not only directly accelerate the hydrogen ab/de-sorption rate of MgH_(2),but also indirectly affect the activity of the catalytic phase VH_(2)/V,thereby further boosting the hydrogen storage performance of MgH_(2).This work highlights an oxygen vacancy excited“hydrogen pump”effect of VH_(2)/V on the hydrogen sorption of Mg/MgH_(2).The strategy developed here may pave a new way toward the development of oxygen vacancy-rich transition metal oxides catalyzed hydride systems.

关键词： Hydrogen storage MgH_(2) V_(2)O_(5)nanosheets Oxygen vacancies VH_(2)

Experimental and numerical study of combustion characteristics of ammonia-hydrogen-air swirling flame with/without secondary air injection

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Chinese Journal of Aeronautics 2024年第4期37卷 243-255页

作者： Chunyu LIU Chenhu GAO Yue HUANG Hua JIN Dan ZHAO wenjiang XU Yancheng YOU School of Aerospace Engineering Xiamen UniversityXiamen 361005China School of Mechanical Engineering Shanghai Jiao Tong UniversityShanghai 200240China Department of Mechanical Engineering University of CanterburyChristchurch 8041New Zealand

Ammonia (NH_(3)) is currently considered to be a potential carbon-free alternative fuel,and its large-scale use as such would certainly decrease greenhouse gas emissions and meet increasingly stringent emission *** the low flame propagation speed and high NO production of NH_(3) hinder its direct application as a renewable fuel,co-combustion of NH_(3)–H_(2)is an effective way to overcome these *** this study,the combustion characteristics of NH_(3)–H_(2)swirling flames under different equivalence ratios and H_2blending ratios conditions are both numerically and experimentally ***,the One-Dimensional (1D) laminar flame computation presents a comparison base and the Three-Dimensional (3D) numerical simulation yields detailed flame property ***,the high-speed camera takes instantaneous swirl flame images and the gas analyzer measures the NO emission at the exit plane of the flame *** and quantitative analysis is performed on the flame structure and NO emission for a series of NH_(3)–H_(2)swirl *** variation trends of the NO emission calculated using different techniques agree very *** quantitative results show that the NO emissions are much higher at lean equivalence ratios than those at rich equivalence ratios,and such difference is closely related to the combustion flame ***,it is shown that the utilization of secondary air injection can achieve a significant reduction in NO emissions at the exit of the combustion chamber at equivalence ratios less than or equal to 0.9.

关键词： Ammonia combustion Swirling flow NO emission characteristics Secondary combustion Chemical reaction mechanism